145355030 has 16 divisors (see below), whose sum is σ = 261932400. Its totient is φ = 58076832.

The previous prime is 145355029. The next prime is 145355039. The reversal of 145355030 is 30553541.

It is a super-2 number, since 2×145355030² = 42256169492601800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145355039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1796 + ... + 17144.

It is an arithmetic number, because the mean of its divisors is an integer number (16370775).

Almost surely, 2^145355030 is an apocalyptic number.

145355030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145355030 is a deficient number, since it is larger than the sum of its proper divisors (116577370).

145355030 is a wasteful number, since it uses less digits than its factorization.

145355030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16303.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 145355030 is about 12056.3273844069. The cubic root of 145355030 is about 525.7872150841.

The spelling of 145355030 in words is "one hundred forty-five million, three hundred fifty-five thousand, thirty".